Pre-release version bump to 0.38.4

Signed-off-by: Matt Turner <mattst88@gmail.com>
diff --git a/configure.ac b/configure.ac
index d057d59..4cbd454 100644
--- a/configure.ac
+++ b/configure.ac
@@ -54,7 +54,7 @@
 
 m4_define([pixman_major], 0)
 m4_define([pixman_minor], 38)
-m4_define([pixman_micro], 3)
+m4_define([pixman_micro], 4)
 
 m4_define([pixman_version],[pixman_major.pixman_minor.pixman_micro])
 
diff --git a/meson.build b/meson.build
index 596c1e2..fad22ee 100644
--- a/meson.build
+++ b/meson.build
@@ -21,7 +21,7 @@
 project(
   'pixman',
   ['c'],
-  version : '0.38.3',
+  version : '0.38.4',
   license : 'MIT',
   meson_version : '>= 0.47.2',
   default_options : ['buildtype=debugoptimized'],